[7852] Use union of per-event type structures, more checks at creature event ai loading. Author: VladimirMangos

Including:
    * Fixed check for EVENT_T_SPELLHIT school field. Add check at loading. Note: this event expect before and now schol _mask_ in param2.
    * In EVENT_T_RECEIVE_EMOTE use original player condition check code instead copy of related code.

--HG--
branch : trunk

sql/updates/7850_01_mangos_command.sql

@@ -0,0 +1,7 @@
+ALTER TABLE db_version CHANGE COLUMN required_7839_02_mangos_command required_7850_01_mangos_command bit;
+
+DELETE FROM `command` WHERE `name` IN ('character reputation','pinfo');
+
+INSERT INTO `command` VALUES
+('pinfo',2,'Syntax: .pinfo [$player_name]\r\n\r\nOutput account information for selected player or player find by $player_name.'),
+('character reputation',2,'Syntax: .character reputation [$player_name]\r\n\r\nShow reputation information for selected player or player find by $player_name.');